100% correct. I believe the Skins and cowboys are a long rivalry.
Miami and NE rivalry was 20 years and NE lost 18 times in a row at the old orange bowl.
NY-Boston- well that rivalry speaks for itself.
The Colts rivalry was mostly based on Manning vs Brady- and fueled by the 2003 playoff "mug" game. Not to mention the 2001 reg season game.
You don't make rivalries up- they happen on their own.